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<a name="1" href="#1">1</a>   <em class="comment">/*</em>
<a name="2" href="#2">2</a>   <em class="comment"> * $HeadURL: https://svn.apache.org/repos/asf/jakarta/httpcomponents/oac.hc3x/tags/HTTPCLIENT_3_1/src/test/org/apache/commons/httpclient/TestBadContentLength.java $</em>
<a name="3" href="#3">3</a>   <em class="comment"> * $Revision: 480424 $</em>
<a name="4" href="#4">4</a>   <em class="comment"> * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $</em>
<a name="5" href="#5">5</a>   <em class="comment"> * ====================================================================</em>
<a name="6" href="#6">6</a>   <em class="comment"> *</em>
<a name="7" href="#7">7</a>   <em class="comment"> *  Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a name="8" href="#8">8</a>   <em class="comment"> *  contributor license agreements.  See the NOTICE file distributed with</em>
<a name="9" href="#9">9</a>   <em class="comment"> *  this work for additional information regarding copyright ownership.</em>
<a name="10" href="#10">10</a>  <em class="comment"> *  The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a name="11" href="#11">11</a>  <em class="comment"> *  (the "License"); you may not use this file except in compliance with</em>
<a name="12" href="#12">12</a>  <em class="comment"> *  the License.  You may obtain a copy of the License at</em>
<a name="13" href="#13">13</a>  <em class="comment"> *</em>
<a name="14" href="#14">14</a>  <em class="comment"> *      <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="15" href="#15">15</a>  <em class="comment"> *</em>
<a name="16" href="#16">16</a>  <em class="comment"> *  Unless required by applicable law or agreed to in writing, software</em>
<a name="17" href="#17">17</a>  <em class="comment"> *  distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="18" href="#18">18</a>  <em class="comment"> *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="19" href="#19">19</a>  <em class="comment"> *  See the License for the specific language governing permissions and</em>
<a name="20" href="#20">20</a>  <em class="comment"> *  limitations under the License.</em>
<a name="21" href="#21">21</a>  <em class="comment"> * ====================================================================</em>
<a name="22" href="#22">22</a>  <em class="comment"> *</em>
<a name="23" href="#23">23</a>  <em class="comment"> * This software consists of voluntary contributions made by many</em>
<a name="24" href="#24">24</a>  <em class="comment"> * individuals on behalf of the Apache Software Foundation.  For more</em>
<a name="25" href="#25">25</a>  <em class="comment"> * information on the Apache Software Foundation, please see</em>
<a name="26" href="#26">26</a>  <em class="comment"> * &lt;<a href="http://www.apache.org/" target="alexandria_uri">http://www.apache.org/</a>>.</em>
<a name="27" href="#27">27</a>  <em class="comment"> *</em>
<a name="28" href="#28">28</a>  <em class="comment"> */</em>
<a name="29" href="#29">29</a>  <strong>package</strong> org.apache.commons.httpclient;
<a name="30" href="#30">30</a>  
<a name="31" href="#31">31</a>  <strong>import</strong> java.io.IOException;
<a name="32" href="#32">32</a>  <strong>import</strong> java.io.InputStream;
<a name="33" href="#33">33</a>  
<a name="34" href="#34">34</a>  <strong>import</strong> junit.framework.Test;
<a name="35" href="#35">35</a>  <strong>import</strong> junit.framework.TestCase;
<a name="36" href="#36">36</a>  <strong>import</strong> junit.framework.TestSuite;
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>  <strong>import</strong> org.apache.commons.httpclient.methods.GetMethod;
<a name="39" href="#39">39</a>  <strong>import</strong> org.apache.commons.httpclient.server.HttpRequestHandler;
<a name="40" href="#40">40</a>  <strong>import</strong> org.apache.commons.httpclient.server.RequestLine;
<a name="41" href="#41">41</a>  <strong>import</strong> org.apache.commons.httpclient.server.ResponseWriter;
<a name="42" href="#42">42</a>  <strong>import</strong> org.apache.commons.httpclient.server.SimpleHttpServer;
<a name="43" href="#43">43</a>  <strong>import</strong> org.apache.commons.httpclient.server.SimpleHttpServerConnection;
<a name="44" href="#44">44</a>  <strong>import</strong> org.apache.commons.httpclient.server.SimpleRequest;
<a name="45" href="#45">45</a>  
<a name="46" href="#46">46</a>  <em>/**</em>
<a name="47" href="#47">47</a>  <em> * Tests HttpClient's behaviour when receiving more response data than expected.</em>
<a name="48" href="#48">48</a>  <em> * &lt;p></em>
<a name="49" href="#49">49</a>  <em> * A very simple HTTP Server will be setup on a free port during testing, which</em>
<a name="50" href="#50">50</a>  <em> * returns an incorrect response Content-Length, sending surplus response data,</em>
<a name="51" href="#51">51</a>  <em> * which may contain malicious/fake response headers.</em>
<a name="52" href="#52">52</a>  <em> * &lt;/p> </em>
<a name="53" href="#53">53</a>  <em> * </em>
<a name="54" href="#54">54</a>  <em> * @author Christian Kohlschuetter</em>
<a name="55" href="#55">55</a>  <em> * @version $Id: TestBadContentLength.java 480424 2006-11-29 05:56:49Z bayard $</em>
<a name="56" href="#56">56</a>  <em> */</em>
<a name="57" href="#57">57</a>  <strong>public</strong> <strong>class</strong> <a href="../../../../org/apache/commons/httpclient/TestBadContentLength.html">TestBadContentLength</a> <strong>extends</strong> TestCase {
<a name="58" href="#58">58</a>      <strong>private</strong> HttpClient client = <strong>null</strong>;
<a name="59" href="#59">59</a>      <strong>private</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleHttpServer.html">SimpleHttpServer</a> server = <strong>null</strong>;
<a name="60" href="#60">60</a>  
<a name="61" href="#61">61</a>      <em class="comment">// ------------------------------------------------------------ Constructor</em>
<a name="62" href="#62">62</a>      <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/TestBadContentLength.html">TestBadContentLength</a>(String testName) {
<a name="63" href="#63">63</a>          <strong>super</strong>(testName);
<a name="64" href="#64">64</a>      }
<a name="65" href="#65">65</a>  
<a name="66" href="#66">66</a>      <em class="comment">// ------------------------------------------------------------------- Main</em>
<a name="67" href="#67">67</a>      <strong>public</strong> <strong>static</strong> <strong>void</strong> main(String args[]) {
<a name="68" href="#68">68</a>          String[] testCaseName = { TestBadContentLength.<strong>class</strong>.getName()};
<a name="69" href="#69">69</a>          junit.textui.TestRunner.main(testCaseName);
<a name="70" href="#70">70</a>      }
<a name="71" href="#71">71</a>  
<a name="72" href="#72">72</a>      <em class="comment">// ------------------------------------------------------- TestCase Methods</em>
<a name="73" href="#73">73</a>  
<a name="74" href="#74">74</a>      <strong>public</strong> <strong>static</strong> Test suite() {
<a name="75" href="#75">75</a>          <strong>return</strong> <strong>new</strong> TestSuite(TestBadContentLength.<strong>class</strong>);
<a name="76" href="#76">76</a>      }
<a name="77" href="#77">77</a>  
<a name="78" href="#78">78</a>      <em class="comment">// ----------------------------------------------------------- Test Methods</em>
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>      <strong>public</strong> <strong>void</strong> setUp() throws IOException {
<a name="81" href="#81">81</a>          client = <strong>new</strong> HttpClient();
<a name="82" href="#82">82</a>          server = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleHttpServer.html">SimpleHttpServer</a>(); <em class="comment">// use arbitrary port</em>
<a name="83" href="#83">83</a>          server.setTestname(getName());
<a name="84" href="#84">84</a>          server.setRequestHandler(<strong>new</strong> MyHttpRequestHandler());
<a name="85" href="#85">85</a>      }
<a name="86" href="#86">86</a>  
<a name="87" href="#87">87</a>      <strong>public</strong> <strong>void</strong> tearDown() throws IOException {
<a name="88" href="#88">88</a>          client = <strong>null</strong>;
<a name="89" href="#89">89</a>  
<a name="90" href="#90">90</a>          server.destroy();
<a name="91" href="#91">91</a>      }
<a name="92" href="#92">92</a>  
<a name="93" href="#93">93</a>      <em>/**</em>
<a name="94" href="#94">94</a>  <em>     * HttpClient connects to the test server and performs two subsequent</em>
<a name="95" href="#95">95</a>  <em>     * requests to the same URI in &lt;u>lenient&lt;/u> mode.</em>
<a name="96" href="#96">96</a>  <em>     * </em>
<a name="97" href="#97">97</a>  <em>     * Expected behavior:</em>
<a name="98" href="#98">98</a>  <em>     * For both requests, status code 200 and a response body of "12345"</em>
<a name="99" href="#99">99</a>  <em>     * should be returned.</em>
<a name="100" href="#100">100</a> <em>     *</em>
<a name="101" href="#101">101</a> <em>     * @throws IOException</em>
<a name="102" href="#102">102</a> <em>     */</em>
<a name="103" href="#103">103</a>     <strong>public</strong> <strong>void</strong> test1Lenient() throws IOException {
<a name="104" href="#104">104</a>     	client.getParams().makeLenient();
<a name="105" href="#105">105</a>     	
<a name="106" href="#106">106</a>         GetMethod m =
<a name="107" href="#107">107</a>             <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
<a name="108" href="#108">108</a> 
<a name="109" href="#109">109</a>         client.executeMethod(m);
<a name="110" href="#110">110</a>         assertEquals(200, m.getStatusCode());
<a name="111" href="#111">111</a>         assertEquals(<span class="string">"12345"</span>, m.getResponseBodyAsString());
<a name="112" href="#112">112</a> 
<a name="113" href="#113">113</a>         m = <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
<a name="114" href="#114">114</a> 
<a name="115" href="#115">115</a>         client.executeMethod(m);
<a name="116" href="#116">116</a>         assertEquals(200, m.getStatusCode());
<a name="117" href="#117">117</a>         assertEquals(<span class="string">"12345"</span>, m.getResponseBodyAsString());
<a name="118" href="#118">118</a>         m.releaseConnection();
<a name="119" href="#119">119</a>     }
<a name="120" href="#120">120</a> 
<a name="121" href="#121">121</a>     <em>/**</em>
<a name="122" href="#122">122</a> <em>     * HttpClient connects to the test server and performs two subsequent</em>
<a name="123" href="#123">123</a> <em>     * requests to the same URI in &lt;u>strict&lt;/u> mode.</em>
<a name="124" href="#124">124</a> <em>     * &lt;p></em>
<a name="125" href="#125">125</a> <em>     * The first response body will be read with getResponseBodyAsString(),</em>
<a name="126" href="#126">126</a> <em>     * which returns null if an error occured.</em>
<a name="127" href="#127">127</a> <em>     * &lt;/p></em>
<a name="128" href="#128">128</a> <em>     * &lt;p></em>
<a name="129" href="#129">129</a> <em>     * The second response body will be read using an InputStream, which</em>
<a name="130" href="#130">130</a> <em>     * throws an IOException if something went wrong.</em>
<a name="131" href="#131">131</a> <em>     * &lt;/p></em>
<a name="132" href="#132">132</a> <em>     * Expected behavior:</em>
<a name="133" href="#133">133</a> <em>     * For both requests, status code 200 should be returned.&lt;br /></em>
<a name="134" href="#134">134</a> <em>     * For request 1, a &lt;code>null&lt;/code> response body should be returned.&lt;br /></em>
<a name="135" href="#135">135</a> <em>     * For request 2, a {@link ProtocolException} is expected.</em>
<a name="136" href="#136">136</a> <em>     *</em>
<a name="137" href="#137">137</a> <em>     * @throws IOException</em>
<a name="138" href="#138">138</a> <em>     */</em>
<a name="139" href="#139">139</a>     <strong>public</strong> <strong>void</strong> test1Strict() throws IOException {
<a name="140" href="#140">140</a>         client.getParams().makeStrict();
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>         GetMethod m =
<a name="143" href="#143">143</a>             <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
<a name="144" href="#144">144</a> 
<a name="145" href="#145">145</a>         client.executeMethod(m);
<a name="146" href="#146">146</a>         assertEquals(200, m.getStatusCode());
<a name="147" href="#147">147</a>         assertEquals(<span class="string">"12345"</span>, m.getResponseBodyAsString());
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>         m = <strong>new</strong> GetMethod(<span class="string">"http://localhost:"</span> + server.getLocalPort() + <span class="string">"/"</span>);
<a name="150" href="#150">150</a> 
<a name="151" href="#151">151</a>         client.executeMethod(m);
<a name="152" href="#152">152</a>         assertEquals(200, m.getStatusCode());
<a name="153" href="#153">153</a> 
<a name="154" href="#154">154</a>         InputStream in = m.getResponseBodyAsStream();
<a name="155" href="#155">155</a>         <strong>while</strong> (in.read() != -1) {
<a name="156" href="#156">156</a>         }
<a name="157" href="#157">157</a> 
<a name="158" href="#158">158</a>         m.releaseConnection();
<a name="159" href="#159">159</a>     }
<a name="160" href="#160">160</a> 
<a name="161" href="#161">161</a>     <strong>public</strong> <strong>void</strong> enableThisTestForDebuggingOnly()
<a name="162" href="#162">162</a>         throws InterruptedException {
<a name="163" href="#163">163</a>         <strong>while</strong> (server.isRunning()) {
<a name="164" href="#164">164</a>             Thread.sleep(100);
<a name="165" href="#165">165</a>         }
<a name="166" href="#166">166</a>     }
<a name="167" href="#167">167</a> 
<a name="168" href="#168">168</a>     <strong>private</strong> <strong>class</strong> MyHttpRequestHandler implements <a href="../../../../org/apache/commons/httpclient/server/HttpRequestHandler.html">HttpRequestHandler</a> {
<a name="169" href="#169">169</a>         <strong>private</strong> <strong>int</strong> requestNo = 0;
<a name="170" href="#170">170</a> 
<a name="171" href="#171">171</a>         <strong>public</strong> <strong>boolean</strong> processRequest(
<a name="172" href="#172">172</a>             <strong>final</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleHttpServerConnection.html">SimpleHttpServerConnection</a> conn,
<a name="173" href="#173">173</a>             <strong>final</strong> <a href="../../../../org/apache/commons/httpclient/server/SimpleRequest.html">SimpleRequest</a> request) throws IOException
<a name="174" href="#174">174</a>         {
<a name="175" href="#175">175</a>         	RequestLine requestLine = request.getRequestLine();
<a name="176" href="#176">176</a>         	ResponseWriter out = conn.getWriter();
<a name="177" href="#177">177</a>             <strong>if</strong> (<span class="string">"GET"</span>.equals(requestLine.getMethod())
<a name="178" href="#178">178</a>                 &amp;&amp; <span class="string">"/"</span>.equals(requestLine.getUri())) {
<a name="179" href="#179">179</a> 
<a name="180" href="#180">180</a>                 requestNo++;
<a name="181" href="#181">181</a> 
<a name="182" href="#182">182</a>                 out.println(<span class="string">"HTTP/1.1 200 OK"</span>);
<a name="183" href="#183">183</a>                 out.println(<span class="string">"Content-Type: text/html"</span>);
<a name="184" href="#184">184</a>                 out.println(<span class="string">"Content-Length: 5"</span>);
<a name="185" href="#185">185</a>                 out.println(<span class="string">"Connection: keep-alive"</span>);
<a name="186" href="#186">186</a>                 out.println();
<a name="187" href="#187">187</a>                 out.println(<span class="string">"12345"</span>); <em class="comment">// send exactly 5 bytes</em>
<a name="188" href="#188">188</a> 
<a name="189" href="#189">189</a>                 <em class="comment">// and some more garbage!</em>
<a name="190" href="#190">190</a>                 out.println(<span class="string">"AND SOME MORE\r\nGARBAGE!"</span>);
<a name="191" href="#191">191</a>                 out.println(<span class="string">"HTTP/1.0 404 Not Found"</span>);
<a name="192" href="#192">192</a>                 out.println(<span class="string">"Content-Type: text/plain"</span>);
<a name="193" href="#193">193</a>                 out.println(<span class="string">""</span>);
<a name="194" href="#194">194</a>                 out.println(<span class="string">"THIS-IS-A-FAKE-RESPONSE!"</span>);
<a name="195" href="#195">195</a> 
<a name="196" href="#196">196</a>                 out.flush();
<a name="197" href="#197">197</a>                 <em class="comment">// process max. 2 subsequents requests per connection</em>
<a name="198" href="#198">198</a>                 <strong>if</strong> (requestNo &lt; 2) {
<a name="199" href="#199">199</a>                     conn.setKeepAlive(<strong>true</strong>);
<a name="200" href="#200">200</a>                 }
<a name="201" href="#201">201</a>             }
<a name="202" href="#202">202</a>             <strong>return</strong> <strong>true</strong>;
<a name="203" href="#203">203</a>         }
<a name="204" href="#204">204</a>     }
<a name="205" href="#205">205</a> 
<a name="206" href="#206">206</a> }
</pre>
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